
簡單機械1(觀念前測)

Interactive Video
•
Science
•
9th Grade
•
Hard
侑紜 李
Used 6+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
吊車是利用什麼原理舉起重物?
機械原理
超能力原理
慣性原理
平衡原理
2.
DROPDOWN QUESTION
1 min • 1 pt
(a) 是最常見的簡單機械原理。
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
滑輪可分為哪兩種?
定滑輪
動滑輪
溜滑輪
張伯倫
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以槓桿原理來說,定滑輪的支點在?
中間
左邊
右邊
這邊
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
定滑輪的特色?
改變施力方向
不省時
不費力
省時
省力
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
動滑輪的特色
省力
費時
費力
省時
7.
CLASSIFICATION QUESTION
3 mins • 1 pt
滑輪組主要作用分類
Groups:
(a) 定滑輪
,
(b) 動滑輪
改變施力方向
省力
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